HalfRuns
Back to League Tables

David Flax

MaleMaryland2010–2026

43

Total Finishes

23

Different Races

5

States (10%)

1:57:29

PR (8:58/mi)

2:22:26

Average

+1:07:43

Slower (first to last)

Medal House

2012

B&A Trail Marathon and Half Marathon

1:57:29
#306 overall#193 gender
2012

Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8k

1:58:46
#2206 overall
2012

Frederick Running Festival

2:07:14
#1901 overall#1107 gender
2012

Rock 'n' Roll Washington DC

2:07:14
#6567 overall#3127 gender
2012

Runner's World Half Marathon and Festival

2:12:30
#1999 overall#1065 gender
2012

Baltimore Running Festival

2:14:46
#5529 overall#2895 gender
2012

Rock ‘n’ Roll Philadelphia Half Marathon

2:14:47
#9310 overall#4713 gender
2011

Rock ‘n’ Roll Philadelphia Half Marathon

2:00:22
#6532 overall#3936 gender
2011

Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8k

2:09:47
#3402 overall
2011

Frederick Running Festival

2:23:24
#2718 overall#1421 gender
2010

Rock 'n' Roll Washington DC

2:17:26
#4995 overall#2483 gender
2010

Hershey Half Marathon

2:18:12
#1414 overall#638 gender

Performance Timeline

PR 1:57:2920102010201120112011201220122012201220122012201220122013201320132014201420152016201720172019202020202020202020212021202120212021202220222022202320232023202420242024202420242024202420252026

Complete Race Log

YearRaceStateTimePlace
2026Rock 'n' Roll Washington DCWashingtonDC3:25:09#12123
2025Baltimore Running FestivalBaltimoreMD2:24:18#2759
2024Credit Union Cherry Blossom Ten MileWashingtonDC2:08:17#737
2024Rock 'n' Roll Washington DCWashingtonDC2:21:19#8148
2024Baltimore Running FestivalBaltimoreMD2:24:49#2563
2024Frederick Running FestivalFrederickMD2:31:34#1886
2024Frederick Running FestivalFrederickMD2:31:35#1889
2024ASICS Susquehanna River Running Festival presented by University of Maryland Upper Chesapeake HealthHavre de GraceMD2:42:27#613
2024Susquehanna River Running FestivalHavre de GraceMD2:42:27#613
2023Rock 'n' Roll Washington DCWashingtonDC2:13:38#5772
2023Baltimore Running FestivalBaltimoreMD2:27:19#2351
2023Frederick Running FestivalFrederickMD2:44:08#2315
2022B&A Trail Marathon and Half MarathonSeverna ParkMD2:16:33#360
2022ASICS Susquehanna River Running Festival presented by University of Maryland Upper Chesapeake HealthHavre de GraceMD2:24:25#317
2022Susquehanna River Running FestivalHavre de GraceMD2:24:26#317
2021Eugene Marathon 2024EugeneOR2:13:33#669
2021Rock ‘n’ Roll VRAnywhereAZ2:13:34#200
2021Philadelphia MarathonPhiladelphiaPA2:17:43#5336
2021United Airlines NYC HalfNew YorkNY2:25:47#8846
2021Frederick Running FestivalFrederickMD2:34:43#1026
2020The Maryland Half Marathon & 5KFultonMD2:14:30#46
2020Live Give Run Virtual Race ChallengeAnywhereMD2:21:06#154
2020Rock ‘n’ Roll VRAnywhereAZ2:29:55#543
2020The LESS Popular Brooklyn Half Marathon!BrooklynNY2:55:33#7414
2019NYRR Virtual Halfway There 13.1MAnywhereNY2:28:38#3744
2017Frederick Running FestivalFrederickMD2:09:41#1736
2017Race 13.1 BaltimoreBaltimoreMD2:45:24#927
2016Baltimore Running FestivalBaltimoreMD2:16:55#3867
2015Baltimore Running FestivalBaltimoreMD2:05:51#2752
2014Baltimore Running FestivalBaltimoreMD2:12:36#3515
2014St. Michaels Running FestivalSaint MichaelsMD2:30:02#945
2013Hershey Half MarathonHersheyPA1:58:56#1189
2013Ocean City Running, 5k, Half MarathonOcean CityMD2:00:53#632
2013St. Michaels Running FestivalSaint MichaelsMD2:11:41#650
2012B&A Trail Marathon and Half MarathonSeverna ParkMD1:57:29#306
2012Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmondVA1:58:46#2206
2012Frederick Running FestivalFrederickMD2:07:14#1901
2012Rock 'n' Roll Washington DCWashingtonDC2:07:14#6567
2012Runner's World Half Marathon and FestivalBethlehemPA2:12:30#1999
2012Baltimore Running FestivalBaltimoreMD2:14:46#5529
2012Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:14:47#9310
2012Annapolis Running ClassicAnnapolisMD2:16:23#1993
2011Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:00:22#6532
2011Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmondVA2:09:47#3402
2011Frederick Running FestivalFrederickMD2:23:24#2718
2010Rock 'n' Roll Washington DCWashingtonDC2:17:26#4995
2010Hershey Half MarathonHersheyPA2:18:12#1414

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

MDMaryland
27 races
DCDistrict of Columbia
6 races
NYNew York
3 races
AZArizona
2 races
OROregon
1 race

50-State Challenge

5/ 51 states + DC

46 states to go